CHARLOTTE FIRE DEPARTMENT HAZARDOUS MATERIAL PLACARDING GUIDELINES

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CHARLOTTE FIRE DEPARTMENT
HAZARDOUS MATERIAL PLACARDING GUIDELINES
Red with White 6 – Inch
Blue with White 6 - Inch
Numeral
Numeral
Yellow with Black 6 - Inch
White with Black Symbol
Numeral
(See below guidelines)
This placard is representative of the general hazards of chemicals or materials that may be
stored in a building or room, and is used to alert emergency responding personnel of the type
and degree of hazard, based on the criteria indicated below.
BLUE Diamond: This represents the health hazard of a material(s) on a scale of 1 to 4, with 4
being the highest.
RED Diamond: This represents the flammability hazard of a material(s) on a scale of 1 to 4,
with 4 being the highest.
YELLOW Diamond: This represents the reactivity hazard of a material(s) on a scale of 1 to 4
with 4 being the highest.
WHITE Diamond: This represents special hazards as follows:
COR – Corrosives
OXY – Oxygen or oxidizers
POISON – Poisons
W - Water reactive materials
Radioactive materials
EACH COLOR DIAMOND SHALL BE 12” X 12” IN SIZE, AND PLACARD SHALL BE
POSTED ON BUILDING WHERE IT IS CLEARLY VISIBLE TO APPROACHING FIRE
APPARATUS. ONLY DIAMONDS WITH A NUMBER OR SYMBOL REQUIRE POSTING.
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